Description of what light speed would be like:<br /><br />Here, an analogy with rain will help. The faster you go, the more slanted the rain appears from inside the tram, even though it's falling vertically outside.<br /><br />Vision of arrows: In this low-speed world, light rays will appear to came into the tram at steeper and steeper angles as you accelerate.<br /><br />Point of View 1: Your eyes will interpret this by making things in front actually look as though they're going further away. As you go faster, tops of buildings will curve, and objects that are behind, like clouds and the sun, will slide into your field of view. <br /><br />Vision of Desert: Let's try driving down this road in the desert. As we approach our light speed of five metres per second, it seems like we're going the wrong way. Take a look at the sign on the left. Not only does it seem to curve over, but you can actually see the back of it. On the right, the simple square building stretches out alarmingly.<br /><br />Vision of tram / Point of View 3: But that's just the start. I'm afraid we've been guilty of a little over-simplification. You see, as you go faster, the frequency of the light increases. It's called the Doppler effect. Just like with sound, where an ambulance siren will seem higher in pitch as you travel towards it, colours in front of us will appear shifted towards the higher frequency, blue end of the spectrum. <br /><br />Point of View 3: But wait - there's more! And it's not good news. As we speed up, all that light in front of us will just pile up and get brighter and brighter the faster we go.<br /><br />Vision of desert: Out in the desert, with the Doppler effect and light intensity switched in, it all starts to look like a very strange world indeed. <br /><br />Vision of space ship: So how should film makers depict a journey through space, in our real universe of three hundred million metres a second?<br /><br />Vision of stars: Setting off, the stars will frustratingly appear to get fu